64000920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 205675200

約数和(自身を除く): 141674280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 137, 170, 204, 229, 255, 274, 340, 408, 411, 458, 510, 548, 680, 685, 687, 822, 916, 1020, 1096, 1145, 1370, 1374, 1644, 1832, 2040, 2055, 2290, 2329, 2740, 2748, 3288, 3435, 3893, 4110, 4580, 4658, 5480, 5496, 6870, 6987, 7786, 8220, 9160, 9316, 11645, 11679, 13740, 13974, 15572, 16440, 18632, 19465, 23290, 23358, 27480, 27948, 31144, 31373, 34935, 38930, 46580, 46716, 55896, 58395, 62746, 69870, 77860, 93160, 93432, 94119, 116790, 125492, 139740, 155720, 156865, 188238, 233580, 250984, 279480, 313730, 376476, 467160, 470595, 533341, 627460, 752952, 941190, 1066682, 1254920, 1600023, 1882380, 2133364, 2666705, 3200046, 3764760, 4266728, 5333410, 6400092, 8000115, 10666820, 12800184, 16000230, 21333640, 32000460, 64000920]

約数ペア:

[(1, 64000920), (2, 32000460), (3, 21333640), (4, 16000230), (5, 12800184), (6, 10666820), (8, 8000115), (10, 6400092), (12, 5333410), (15, 4266728), (17, 3764760), (20, 3200046), (24, 2666705), (30, 2133364), (34, 1882380), (40, 1600023), (51, 1254920), (60, 1066682), (68, 941190), (85, 752952), (102, 627460), (120, 533341), (136, 470595), (137, 467160), (170, 376476), (204, 313730), (229, 279480), (255, 250984), (274, 233580), (340, 188238), (408, 156865), (411, 155720), (458, 139740), (510, 125492), (548, 116790), (680, 94119), (685, 93432), (687, 93160), (822, 77860), (916, 69870), (1020, 62746), (1096, 58395), (1145, 55896), (1370, 46716), (1374, 46580), (1644, 38930), (1832, 34935), (2040, 31373), (2055, 31144), (2290, 27948), (2329, 27480), (2740, 23358), (2748, 23290), (3288, 19465), (3435, 18632), (3893, 16440), (4110, 15572), (4580, 13974), (4658, 13740), (5480, 11679), (5496, 11645), (6870, 9316), (6987, 9160), (7786, 8220)]